<template>
  <div :class="className" :style="{height:height,width:width}" />
</template>

<script>
import echarts from 'echarts'
require('echarts/theme/macarons') // echarts theme
import resize from './mixins/resize'
import {
  countOrdersIn30DaysApi,
} from "@/api/dashboard";

const animationDuration = 6000

export default {
  mixins: [resize],
  props: {
    className: {
      type: String,
      default: 'chart'
    },
    width: {
      type: String,
      default: '100%'
    },
    height: {
      type: String,
      default: '300px'
    }
  },
  data() {
    return {
      chart: null,
      monthDatas:[],
      orderCountDatas:[]

    }
  },
  created(){

  },
  async mounted() {
    
    this.$nextTick(async () => {
    await  this.countOrdersIn30DaysApi()

    await  this.initChart()

    })
  },
  beforeDestroy() {
    if (!this.chart) {
      return
    }
    this.chart.dispose()
    this.chart = null
  },
  methods: {
   async countOrdersIn30DaysApi() {
    await  countOrdersIn30DaysApi().then((response) => {
    const array=  response.data.slice(-15);
       this.monthDatas=array.map((item)=>item.order_date.slice(-5)
      )
       this.orderCountDatas=array.map((item)=>item.orderCount)

       console.log("🍓",this.monthDatas)
      });
    },
    initChart() {
      this.chart = echarts.init(this.$el, 'macarons')
      this.chart.setOption(
        {
        tooltip: {
          trigger: 'axis',
          axisPointer: { // 坐标轴指示器，坐标轴触发有效
            type: 'shadow' // 默认为直线，可选为：'line' | 'shadow'
          }
        },
        grid: {
          top: 10,
          left: '1%',
          right: '1%',
          bottom: '3%',
          containLabel: true
        },
        xAxis: [{
          type: 'category',
          // data: ['Mon', 'Tue', 'Wed', 'Thu', 'Fri', 'Sat', 'Sun'],
          data:this.monthDatas,
          axisTick: {
            alignWithLabel: true
          }
        }],
        yAxis: [{
          type: 'value',
          axisTick: {
            show: false
          }
        }],
        series: [{
          // name: 'pageA',
          // type: 'bar',
          // stack: 'vistors',
          // barWidth: '60%',
          // data: this.orderCountDatas,
          // animationDuration

               name: '当日订单量',
          type: 'bar',
          stack: 'vistors',
          barWidth: '20%',
          data: this.orderCountDatas,
          animationDuration
        }
        
        // , {
        //   name: 'pageB',
        //   type: 'bar',
        //   stack: 'vistors',
        //   barWidth: '60%',
        //   data: [80, 52, 200, 334, 390, 330, 220],
        //   animationDuration
        // }, {
        //   name: 'pageC',
        //   type: 'bar',
        //   stack: 'vistors',
        //   barWidth: '60%',
        //   data: [30, 52, 200, 334, 390, 330, 220],
        //   animationDuration
        // }
        ]
      }
    )
    }
  }
}
</script>
